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. 2004 Apr;39(2):417–430. doi: 10.1111/j.1475-6773.2004.00235.x

Table 5.

Predicted Radii and Competition Measures for U.S. Short-Term General Hospitals

Measures of Competition

Predicted Radii Number of Hospitals within Radii HHI
75% Radii
Median 11.3 1.0 0.62
Mean 12.2 3.2 0.65
SD 6.5 7.7 0.35
Min. 0.04 0 0.016
Max. 44.2 103 1.0
90% Radii
Median 21.0 3.0 0.34
Mean 22.8 8.2 0.44
SD 12.2 16.0 0.34
Min. 0.21 0 0.01
Max. 105.1 174 1.0